213683862 has 16 divisors (see below), whose sum is σ = 488420352. Its totient is φ = 61052520.

The previous prime is 213683851. The next prime is 213683893. The reversal of 213683862 is 268386312.

It is a self number, because there is not a number n which added to its sum of digits gives 213683862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2543814 + ... + 2543897.

It is an arithmetic number, because the mean of its divisors is an integer number (30526272).

Almost surely, 2^213683862 is an apocalyptic number.

213683862 is an abundant number, since it is smaller than the sum of its proper divisors (274736490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213683862 is a wasteful number, since it uses less digits than its factorization.

213683862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087723.

The product of its digits is 82944, while the sum is 39.

The square root of 213683862 is about 14617.9294703457. The cubic root of 213683862 is about 597.8477164687.

The spelling of 213683862 in words is "two hundred thirteen million, six hundred eighty-three thousand, eight hundred sixty-two".